Finding the Fourth Proportional to 9,341.84, 12,891.89 and 5,150.09

Step by Step Solution

1. Step 1: Write the proportion equation
   9,341.84 : 12,891.89 = 5,150.09 : x
2. Step 2: Convert to fraction form
   9,341.84/12,891.89 = 5,150.09/x
3. Step 3: Cross multiply
   9,341.84x = 12,891.89 × 5,150.09
4. Step 4: Simplify right side
   9,341.84x = 66,394,393.77
5. Step 5: Solve for x
   x = 66,394,393.77/9,341.84
6. Step 6: Final answer
   x = 7,107.21